/Engine/Plugins/FX/Niagara/Source/NiagaraEditor/Public/ViewModels/Stack/INiagaraStackItemGroupAddUtilities.h
template<typename AddedItemType> class TNiagaraStackItemGroupAddUtilities : public [FNiagaraStackItemGroupAddUtilities](API\Plugins\NiagaraEditor\ViewModels\Stack\FNiagaraStackItemGroupAddUtiliti-)
FOnItemAdded
OnItemAdded